15 Passed
3 Failed
3 Warnings
Page Analysis
Title Tag 55 chars
SEOquake: Free SEO Chrome Extension for On-Page Analysis
55 characters (optimal: 50-60)
Your title tag is well-optimized at 55 characters. It includes a primary keyword and fits within Google's display limits.
Meta Description 148 chars
SEOquake is a free Chrome extension by Semrush that gives you instant SEO metrics, on-page audits, and keyword density analysis for any webpage.
Present and readable, but likely to truncate beyond Semrush's recommended range.
Semrush guidance is closer to 135 characters. Tighten the copy so the core value proposition lands before truncation.
Missing ALT Attributes 12 missing
12 of 23 images are missing descriptive alt text.
This weakens accessibility and image-context signals at the same time.
Fix the missing alt text on this page, then use Site Audit to catch the same pattern across the rest of the site.
Fix across your site → Site Audit (Free)
Fix across your site → Site Audit (Free)
Text/HTML Ratio 14.2%
This page has a relatively heavy HTML shell compared with its visible copy.
Treat this as an informational signal rather than a hard quality score.
Use ratio alongside intent, headings, and total copy depth instead of chasing a single “ideal” percentage.
Heading Structure Proper
Single H1, proper hierarchy
Heading structure follows best practices.
URL clean
Readable, descriptive, and free of noisy query parameters.
The slug is easy to parse for users and aligns well with the topic of the page.
Keyword Density 4.1%
Top repeated phrase: “seoquake” at 4.1% of visible page copy.
Informational only. Density helps compare emphasis, not decide quality on its own.
Use the density data with heading structure and SERP intent before making copy changes.
Internal Links 16 links
Internal link volume is healthy and points users toward adjacent SEO topics.
Informational only. Quantity matters less than contextual fit and destination quality.
Open the Links report to inspect anchor text, follow state, and broken targets before making changes.
Frames
No iframes/frames detected
Good. Frames can cause indexing issues.
Mobile Compliance
Viewport Meta Tag
Properly configured
Viewport is set correctly for mobile rendering.
Responsive Design
Media queries detected
Page uses responsive breakpoints.
Site Compliance
HTTP Status 200
The page returns a successful 200 response and is reachable without redirect chains.
This page is accessible to crawlers and users from the primary URL.
XML Sitemap found
The sitemap is reachable and can help search engines discover the rest of the site faster.
Robots.txt allowed
Robots.txt is present and does not block this page from crawling.
Meta Robots index, follow
No restrictive crawl directives appear in the page-level meta robots tag.
The page is open to indexing and normal link discovery from its HTML metadata.
X-Robots-Tag not set
No page-level X-Robots-Tag header is returned in the HTTP response.
This is informational. The page is governed by its HTML directives unless the server later adds X-Robots-Tag rules.
HTTPS secure
The page is served over HTTPS with a valid certificate chain.
Transport security is in place and the canonical URL already resolves to HTTPS.
Mixed Content none
No insecure subresources are loading over HTTP on this page.
All critical page assets appear to be delivered over HTTPS.
HSTS missing
Strict-Transport-Security is not advertised on the initial response.
Add HSTS at the server or edge layer to harden HTTPS and reduce downgrade risk.
Page Load Speed 4.2s
This page loads slowly enough to risk UX friction and softer crawl efficiency.
Prioritize image compression, script trimming, and render-path cleanup, then benchmark against top pages in Site Audit.
Compare speed vs. top pages → Site Audit (Free)
Compare speed vs. top pages → Site Audit (Free)
Page Size 2.3 MB
The rendered page weight is serviceable but heavy for a content-driven experience.
Audit large hero media, third-party scripts, and duplicate CSS to lower transfer cost.
Load Time 3.7s
Time-to-complete-load is elevated even after the first meaningful render.
Pair this with request count and HTML size to find the true performance bottleneck.
Canonical variant
A canonical exists, but the trailing-slash variant differs from the analyzed page URL. Keep canonical and internal linking format consistent.
Language Declaration en
The HTML document exposes a valid
lang declaration.Language metadata is available for crawlers, browsers, and assistive technologies.
Favicon found
A favicon is available and resolves successfully.
This is a small signal, but it improves polish in browsers, tabs, and shared previews.
Schema.org Markup 3 types
Article, BreadcrumbList, and Organization structured data are all present.
The page already exposes enough schema to support stronger entity understanding and richer search features.
Hreflang 0 tags
No hreflang cluster is present on this page.
That is acceptable for a single-market page. Add hreflang only when you need language or regional alternates.
Google Analytics GA4
Analytics instrumentation is present and the property type resolves to GA4.
Tracking is installed and can support downstream page-level analysis.
Tag Manager detected
Google Tag Manager is installed on the page.
Tag Manager gives you a controlled layer for analytics and marketing tags, but it still needs governance to stay lean.
Noindex Tag indexable
No noindex directive is present in HTML or HTTP metadata.
This page is eligible for indexing based on the directives visible here.
EncodingUTF-8
DoctypeHTML5
HTML Size186 KB
Requests54
HTTP Headerscache-control, content-type, server, x-frame-options
Hreflang Tags0 tags
Image Analysis
Total Images47
With alt text35 74%
Missing alt12 Missing
Oversized (>500KB)3 Optimize
Format Distribution
WebP22 (47%)
JPEG14 (30%)
PNG8 (17%)
SVG2 (4%)
GIF1 (2%)
Missing Alt Text 12 images
| Filename | Dimensions | Status |
|---|---|---|
| 2400×1200 | Missing alt | |
| 800×600 | Missing alt | |
| 24×24 | Missing alt | |
| 1800×900 | Missing alt | |
| 3000×2000 | Missing alt |
Oversized Images 3 images
| Image | Dimensions | Size | Status |
|---|---|---|---|
| 2400×1200 | 1.2 MB | Too large | |
| 1800×900 | 890 KB | Consider optimizing | |
| 3000×2000 | 2.1 MB | Too large |
Structured Data & Social Tags
Article
BreadcrumbList
Organization
Schema.org / JSON-LD Valid
FormatJSON-LD
Types Found3 (Article, BreadcrumbList, Organization)
AuthorBrian Dean
Published2024-01-15
Modified2024-03-22
@typeArticle
headlineSEOquake: Free SEO Chrome Extension
author.nameBrian Dean
datePublished2024-01-15
dateModified2024-03-22
publisherBacklinko (Organization)
imagehttps://backlinko.com/wp-content/uploads/seoquake-hero.jpg
mainEntityOfPagehttps://backlinko.com/hub/seo/seoquake
Open Graph Tags
og:titleSEOquake: Free SEO Chrome Extension...
og:descriptionSEOquake is a free Chrome extension...
og:typearticle
og:image(present) Set
og:url
Twitter Card
twitter:cardsummary_large_image
twitter:site@backlinko
twitter:titleSEOquake: The Complete Guide
twitter:image(present) Set
Social Share Preview
Run Semrush Site Audit - Free for 100 PagesContent Report
Primary content checks, page structure, image coverage, and phrase analysis for backlinko.com/hub/seo/seoquake
Title Tag55 chars
Meta Description148 chars
CanonicalVariant canonical
Heading Structure
HierarchyProper
Top-level structureSingle H1, nested H2-H4 blocks
Images
With alt text11 with alt
Missing alt12 missing
1-Word Phrases 47 unique
| Keyword | Found In | Repeats | Density | Prom. |
|---|---|---|---|---|
| seoquake | TH1D | 47 | 4.1% | 98 |
| seo | TH1 | 38 | 3.3% | 95 |
| page | 24 | 2.1% | 61 | |
| extension | T | 19 | 1.7% | 72 |
| keywords | 16 | 1.4% | 45 | |
| analysis | T | 14 | 1.2% | 68 |
| audit | 12 | 1.0% | 38 | |
| free | TD | 11 | 0.9% | 55 |
| semrush | D | 10 | 0.9% | 42 |
| links | 9 | 0.8% | 30 | |
| backlinks | 8 | 0.7% | 25 | |
| content | 7 | 0.6% | 20 |
2-Word Phrases 31 unique
| Keyword | Found In | Repeats | Density | Prom. |
|---|---|---|---|---|
| seo audit | H1 | 12 | 1.0% | 88 |
| chrome extension | T | 9 | 0.8% | 82 |
| keyword density | 8 | 0.7% | 35 | |
| on page | T | 7 | 0.6% | 70 |
| link analysis | D | 6 | 0.5% | 52 |
| search engine | 5 | 0.4% | 28 | |
| seo tools | 5 | 0.4% | 25 |
3-Word Phrases 18 unique
| Keyword | Repeats | Density | Prom. |
|---|---|---|---|
| seo chrome extension | 6 | 0.5% | 75 |
| on page seo | 5 | 0.4% | 65 |
| keyword density analysis | 4 | 0.3% | 30 |
| free seo tool | 3 | 0.3% | 48 |
Links Report
All links found on backlinko.com/hub/seo/seoquake
Internal Links 16 links
| # | URL | Anchor Text | Type | Follow | Status |
|---|---|---|---|---|---|
| 1 | Backlinko | INT | DF | 200 | |
| 2 | SEO Hub | INT | DF | 200 | |
| 3 | SEO | INT | DF | 200 | |
| 4 | SEO Tools | INT | DF | 200 | |
| 5 | On-Page SEO | INT | DF | 200 | |
| 6 | Technical SEO | INT | DF | 200 | |
| 7 | Keyword Research | INT | DF | 200 | |
| 8 | Link Building | INT | DF | 200 | |
| 9 | SEO Audit Checklist | INT | DF | 200 | |
| 10 | Keyword Research Guide | INT | DF | 200 | |
| 11 | Best SEO Tools | INT | DF | 200 | |
| 12 | Blog | INT | DF | 200 | |
| 13 | About | INT | DF | 301 | |
| 14 | Contact | INT | DF | 200 | |
| 15 | Newsletter | INT | DF | 200 | |
| 16 | Old Guide | INT | DF | 404 |
External Links 27 links
| # | URL | Anchor Text | Type | Follow | Status |
|---|---|---|---|---|---|
| 1 | Semrush | EXT | DF | 200 | |
| 2 | Chrome Web Store | EXT | NF | 200 | |
| 3 | Semrush Site Audit | EXT | DF | 200 | |
| 4 | Backlink Analytics | EXT | DF | 200 | |
| 5 | Create a Semrush account | EXT | DF | 301 | |
| 6 | EXT | NF | 301 | ||
| 7 | EXT | NF | 200 | ||
| 8 | EXT | NF | 200 | ||
| 9 | YouTube | EXT | NF | 200 | |
| 10 | Google Analytics | EXT | DF | 200 | |
| 11 | Screaming Frog | EXT | NF | 200 | |
| 12 | PageSpeed Insights | EXT | DF | 200 | |
| 13 | Google Search Central | EXT | DF | 200 | |
| 14 | web.dev | EXT | DF | 200 | |
| 15 | Rank Tracker | EXT | DF | 200 | |
| 16 | On Page SEO Checker | EXT | DF | 200 | |
| 17 | SEO Content Template | EXT | DF | 200 | |
| 18 | Schema Validator | EXT | DF | 200 | |
| 19 | Detailed SEO Extension | EXT | NF | 200 | |
| 20 | Semrush AI Visibility | EXT | DF | 200 | |
| 21 | Moz | EXT | NF | 200 | |
| 22 | Ahrefs | EXT | NF | 200 | |
| 23 | Statista | EXT | DF | 200 | |
| 24 | Terms of Service | EXT | DF | 200 | |
| 25 | Privacy Policy | EXT | DF | 200 | |
| 26 | Backlink Audit | EXT | DF | 200 | |
| 27 | SEO Tips | EXT | DF | 404 |
URL / Domain Comparison
Compare any two URLs or domains side by side
| Metric | backlinko.com | ahrefs.com |
|---|---|---|
| Semrush Rank | 13,988 | 21,341 |
| Semrush SE Traffic | 164,539 | 1,245,210 |
| Semrush SE Traffic Price | $570,283 | $1,920,440 |
| Semrush Backlinks | 3,346,409 | 62,104,981 |
| Semrush Subdomain Backlinks | 4,522,921 | 89,404,332 |
| Semrush Root Domain Backlinks | 4,542,400 | 90,118,507 |
Semrush Report
Full Semrush-powered analytics for backlinko.com
Total Backlinks
8,491
Referring Domains
1,247
Referring IPs
987
Monthly Visits
892K
Backlink Profile
Total Backlinks 8,491
Referring Domains 1,247
Referring IPs987
TLD Distribution
.com774
.org187
.net100
.co.uk62
.io50
.de37
Other37
Traffic Analytics
Monthly Visits892K
Unique Visitors654K
Bounce Rate 42.3%
Pages per Visit3.4
Avg. Visit Duration4m 12s